40342434133 has 16 divisors (see below), whose sum is σ = 44080588800. Its totient is φ = 36779549040.

The previous prime is 40342434113. The next prime is 40342434163. The reversal of 40342434133 is 33143424304.

It is a cyclic number.

It is a de Polignac number, because none of the positive numbers 2^k-40342434133 is a prime.

It is a Harshad number since it is a multiple of its sum of digits (31).

It is a Duffinian number.

It is a junction number, because it is equal to n+sod(n) for n = 40342434095 and 40342434104.

It is a congruent number.

It is not an unprimeable number, because it can be changed into a prime (40342434113) by changing a digit.

It is a polite number, since it can be written in 15 ways as a sum of consecutive naturals, for example, 85891 + ... + 296752.

It is an arithmetic number, because the mean of its divisors is an integer number (2755036800).

Almost surely, 2^40342434133 is an apocalyptic number.

It is an amenable number.

40342434133 is a deficient number, since it is larger than the sum of its proper divisors (3738154667).

40342434133 is a wasteful number, since it uses less digits than its factorization.

40342434133 is an evil number, because the sum of its binary digits is even.

The sum of its prime factors is 382872.

The product of its (nonzero) digits is 41472, while the sum is 31.

Adding to 40342434133 its reverse (33143424304), we get a palindrome (73485858437).

The spelling of 40342434133 in words is "forty billion, three hundred forty-two million, four hundred thirty-four thousand, one hundred thirty-three".